feat: add validator method to handle ByteEncryptionParameters null checks

Author: selfmadecode

src/Helpers/Validators.cs

@@ -0,0 +1,41 @@
+using SafeCrypt.src.Encryption.AesEncryption.Models;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SafeCrypt.src.Helpers
+{
+    public static class Validators
+    {
+        /// <summary>
+        /// Validates that the specified ByteEncryptionParameters instance is not null
+        /// and that its required properties (Data, SecretKey, IV) are not null.
+        /// </summary>
+        /// <param name="parameters">The ByteEncryptionParameters instance to validate.</param>
+        /// <exception cref="ArgumentNullException">
+        /// Thrown if the specified parameters instance is null or if any of its required properties are null.
+        /// </exception>
+        public static void ValidateNotNull(ByteEncryptionParameters parameters)
+        {
+            if (parameters == null)
+            {
+                throw new ArgumentNullException(nameof(parameters), "ByteEncryptionParameters instance cannot be null.");
+            }
+
+            if (parameters.Data == null)
+            {
+                throw new ArgumentNullException(nameof(parameters.Data), "Data property cannot be null.");
+            }
+
+            if (parameters.SecretKey == null)
+            {
+                throw new ArgumentNullException(nameof(parameters.SecretKey), "SecretKey property cannot be null.");
+            }
+
+            if (parameters.IV == null)
+            {
+                throw new ArgumentNullException(nameof(parameters.IV), "IV property cannot be null.");
+            }
+        }
+    }
+}